The Hour of God's Judgment
- Authored by Carlyle B. Haynes in 1926, the Judgment is presented in its various facets to show how God is dealing with the sin problem, especially in the Sanctuary in heaven, and how this relates to us today.
- http://www.thebibleproject.com/albums/Prophecy/HourOfGodsJudgment.pdf

Health of the Nations
- Health related issues, and how physical health affects mental and spiritual health are covered in this booklet.
- http://www.earthsfinalwarning.com/English%20Health.pdf

Happiness Digest, by Ellen White
- Another name for the book: "Steps to Christ".
- http://www.preparingforeternity.com/hd/hdcontents.htm

History of the Sabbath, by J. N. Andrews
- Scholarly study by one of the pioneers of the Seventh-day Adventist church.
- http://www.giveshare.org/HolyDay/historysabbath/index.html